Geomagnetic jerk
id:
geomagnetic-jerk-262-11035215
title:
Geomagnetic jerk
text:
In geophysics, a geomagnetic jerk or secular geomagnetic variation impulse is a relatively sudden change in the second derivative of the Earth's magnetic field with respect to time. These events were noted by Vincent Courtillot and Jean-Louis Le Mouël in 1976. The clearest ones, observed all over the world, happened in 1969, 1978, 1991, and 1999. Data before 1969 is scarcer, but there is evidence of other global jerks in 1901, 1913, and 1925. Other events in 1932, 1949, 1958, 1986, and 2003 were
brand slug:
wiki
category slug:
encyclopedia
description:
Sudden change in the Earth's magnetic field
original url:
https://en.wikipedia.org/wiki/Geomagnetic_jerk
date created:
date modified:
2024-01-16T23:37:08Z
main entity:
{"identifier":"Q5535440","url":"https://www.wikidata.org/entity/Q5535440"}
image:
fields total:
13
integrity:
14